Passengers are allowed to carry e-cigarettes with them onto planes, but must power them off, and are not allowed to charge their batteries during flight, or pack them in checked baggage. read more
Passengers cannot use electronic cigarettes or portable vaporizers on flights. Some airlines and international flights do not have rules and regulation against vaping, however we recommend to not openly vape in your seat. read more
Point being – don’t make your bulky e-cig look like a pen bomb/pipe bomb or even take one that resembles anything like one. Also take it apart for the sake of getting through TSA smoothly and reassemble it on the plane. read more